java.lang.NullPointerException

Oracle Community | 3004 | 1 decade ago
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  1. 0

    URGENT: Exception crashes server, why?

    Oracle Community | 1 decade ago | 3004
    java.lang.NullPointerException
  2. 0

    NullPOinterException

    Oracle Community | 1 decade ago | 3004
    java.lang.NullPointerException
  3. 0

    Getting a nullpointer exception when switching displayables in J2ME

    Stack Overflow | 6 years ago | Pallinder
    java.lang.NullPointerException: 0 at javax.microedition.lcdui.Display$ChameleonTunnel.callScreenListener(), bci=46 at com.sun.midp.chameleon.layers.SoftButtonLayer.processCommand(), bci=74 at com.sun.midp.chameleon.layers.SoftButtonLayer.soft1(), bci=37 at com.sun.midp.chameleon.layers.SoftButtonLayer.keyInput(), bci=36 at com.sun.midp.chameleon.CWindow.keyInput(), bci=38 at javax.microedition.lcdui.Display$DisplayEventConsumerImpl.handleKeyEvent(), bci=17 at com.sun.midp.lcdui.DisplayEventListener.process(), bci=277 at com.sun.midp.events.EventQueue.run(), bci=179
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  5. 0

    J2ME (Java) - Null Pointer Exception caught in Display Class

    Stack Overflow | 6 years ago | Tom
    java.lang.NullPointerException: 0 at javax.microedition.lcdui.Display$ChameleonTunnel.callScreenListener(), bci=46 at com.sun.midp.chameleon.layers.SoftButtonLayer.processCommand(), bci=74 at com.sun.midp.chameleon.layers.SoftButtonLayer.soft1(), bci=37 at com.sun.midp.chameleon.layers.SoftButtonLayer.keyInput(), bci=36 at com.sun.midp.chameleon.CWindow.keyInput(), bci=38 at javax.microedition.lcdui.Display$DisplayEventConsumerImpl.handleKeyEvent(), bci=17 at com.sun.midp.lcdui.DisplayEventListener.process(), bci=277 at com.sun.midp.events.EventQueue.run(), bci=179
  6. 0

    Cloud Foundry v2 in Grails

    Stack Overflow | 2 years ago | angelo087
    java.lang.NullPointerException: Cannot invoke method getAt() on null object

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    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

      at serp.util.SimpleLinkedList.removeLast()
    2. Serp
      LRUMap.remove
      1. serp.util.SimpleLinkedList.removeLast(SimpleLinkedList.java:181)
      2. serp.util.SimpleLinkedList.removeEntry(SimpleLinkedList.java:125)
      3. serp.util.OrderedSet.remove(OrderedSet.java:232)
      4. serp.util.LRUMap.remove(LRUMap.java:180)
      4 frames
    3. com.solarmetric.kodo
      LazyResultList.get
      1. com.solarmetric.kodo.util.CacheMap.flush(CacheMap.java:183)
      2. com.solarmetric.kodo.util.CacheMap.put(CacheMap.java:220)
      3. com.solarmetric.kodo.runtime.datacache.plugins.LocalCache.put(LocalCache.java:114)
      4. com.solarmetric.kodo.runtime.datacache.DataCacheStoreManager.initialize(DataCacheStoreManager.java:264)
      5. com.solarmetric.kodo.runtime.StateManagerImpl.loadInitialState(StateManagerImpl.java:174)
      6. com.solarmetric.kodo.runtime.PersistenceManagerImpl.getObjectByIdFilter(PersistenceManagerImpl.java:986)
      7. com.solarmetric.kodo.runtime.PersistenceManagerImpl.getObjectById(PersistenceManagerImpl.java:905)
      8. com.solarmetric.kodo.impl.jdbc.runtime.JDBCStoreManager.createFromResultSet(JDBCStoreManager.java:772)
      9. com.solarmetric.kodo.impl.jdbc.runtime.JDBCStoreManager$2.getResultObject(JDBCStoreManager.java:727)
      10. com.solarmetric.kodo.impl.jdbc.runtime.LazyResultList.instantiateRow(LazyResultList.java:177)
      11. com.solarmetric.kodo.impl.jdbc.runtime.LazyResultList.get(LazyResultList.java:139)
      11 frames
    4. Java RT
      AbstractList$Itr.next
      1. java.util.AbstractList$Itr.next(AbstractList.java:416)
      1 frame
    5. com.solarmetric.kodo
      ResultListIterator.next
      1. com.solarmetric.kodo.runtime.objectprovider.ResultListIterator.next(ResultListIterator.java:49)
      1 frame
    6. Serp
      MultiIterator.next
      1. serp.util.LookaheadIterator.setNext(LookaheadIterator.java:133)
      2. serp.util.LookaheadIterator.next(LookaheadIterator.java:58)
      3. serp.util.MultiIterator.next(MultiIterator.java:33)
      3 frames
    7. com.solarmetric.kodo
      QueryImpl.execute
      1. com.solarmetric.kodo.runtime.ExtentImpl$TransactionAwareIterator.next(ExtentImpl.java:227)
      2. com.solarmetric.kodo.query.QueryImpl.execute(QueryImpl.java:857)
      3. com.solarmetric.kodo.query.QueryImpl.executeWithMap(QueryImpl.java:818)
      4. com.solarmetric.kodo.query.QueryImpl.execute(QueryImpl.java:595)
      4 frames
    8. com.ewarna.pdm
      BasicQuery.getByAdvancedFormula
      1. com.ewarna.pdm.sessions.BasicQuery.getByAdvancedFormula(BasicQuery.java:144)
      2. com.ewarna.pdm.sessions.BasicQuery.getByAdvancedFormula(BasicQuery.java:65)
      3. com.ewarna.pdm.sessions.BasicQuery.getByAdvancedFormula(BasicQuery.java:52)
      3 frames
    9. com.ewarna.handlers
      SharedInfoHandler$2.execute
      1. com.ewarna.handlers.storage.SharedInfoHandler.getSharedFolder(SharedInfoHandler.java:448)
      2. com.ewarna.handlers.storage.SharedInfoHandler.getSharedFolder(SharedInfoHandler.java:385)
      3. com.ewarna.handlers.storage.SharedInfoHandler.shareEntity(SharedInfoHandler.java:220)
      4. com.ewarna.handlers.storage.SharedInfoHandler.access$300(SharedInfoHandler.java:44)
      5. com.ewarna.handlers.storage.SharedInfoHandler$2.execute(SharedInfoHandler.java:171)
      5 frames
    10. com.ewarna.pdm
      JDOCallBackExecutor.execute
      1. com.ewarna.pdm.sessions.JDOCallBackExecutor.execute(JDOCallBackExecutor.java:40)
      1 frame
    11. com.ewarna.handlers
      SharedInfoHandler.shareEntity
      1. com.ewarna.handlers.storage.SharedInfoHandler.shareEntity(SharedInfoHandler.java:193)
      1 frame
    12. com.ewarna.pdm
      SoapShareImpl.shareFolder
      1. com.ewarna.pdm.soap.sharing.SoapShareImpl.shareFolder(SoapShareImpl.java:154)
      1 frame
    13. Java RT
      Method.invoke
      1. sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
      2. sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
      3. sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
      4. java.lang.reflect.Method.invoke(Method.java:324)
      4 frames
    14. org.apache.soap
      RPCRouterServlet.doPost
      1. org.apache.soap.server.RPCRouter.invoke(RPCRouter.java:146)
      2. org.apache.soap.providers.RPCJavaProvider.invoke(RPCJavaProvider.java:129)
      3. org.apache.soap.server.http.RPCRouterServlet.doPost(RPCRouterServlet.java:354)
      3 frames
    15. JavaServlet
      HttpServlet.service
      1. javax.servlet.http.HttpServlet.service(HttpServlet.java:760)
      2. javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
      2 frames
    16. Glassfish Core
      ContainerBase.invoke
      1. org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:247)
      2. org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:193)
      3. org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:260)
      4. org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
      5. org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
      6. org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
      7. org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
      8. org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
      9. org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
      10. org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
      11. org.apache.catalina.core.StandardContext.invoke(StandardContext.java:2396)
      12. org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:180)
      13. org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
      14. org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve.java:170)
      15. org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
      16. org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:172)
      17. org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
      18. org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
      19. org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
      20. org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:174)
      21. org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
      22. org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
      23. org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
      23 frames
    17. org.apache.coyote
      CoyoteAdapter.service
      1. org.apache.coyote.tomcat4.CoyoteAdapter.service(CoyoteAdapter.java:223)
      1 frame
    18. Grizzly HTTP
      TcpWorkerThread.runIt
      1. org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:405)
      2. org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:380)
      3. org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:508)
      3 frames
    19. Tomcat Util
      ThreadPool$ControlRunnable.run
      1. org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:533)
      1 frame
    20. Java RT
      Thread.run
      1. java.lang.Thread.run(Thread.java:536)
      1 frame